Helena Espvall has been played on NTS in shows including Bo Ningen, featured first on 3 August 2021. Songs played include Zeranium.

Having played guitar and cello in several rock bands (as well as performing in a silent movie orchestra, an Arabian Music ensemble and free improvised music), Swedish-born multi-instrumentalist Helena Espvall moved to Philadelphia in the year 2000.

Besides performing with Espers, Helena performs with the Amnesiac Music & Dance ensemble and collaborates with many others in the psychedelic folk and free improvisation world.

Her past and present collaborators include such diverse figures as Fursaxa, Oluyemi Thomas, Sharron Kraus, Meg Baird,From Quagmire, Lukas Ligeti, Samara Lubelski, Eugene Chadbourne, Pauline Oliveros, Scorces, Katt Hernandez and many others.

Helena has performed several times at the Philadelphia Fringe Festival,twice at the High Zero Festival of improvised music in Baltimore, at the Improvised and Otherwise Festival in Brooklyn, at the Big Sur experimental festival in California and at Terrastock 2006 in Providence, RI among others.

In 2008 she released an album of Swedish folk songs and improvisations recorded in Japan with Masaki Batoh of Ghost